EP4395318A3 - Dispositif de codage d'image basé sur une transformée - Google Patents

Dispositif de codage d'image basé sur une transformée Download PDF

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Publication number
EP4395318A3
EP4395318A3 EP24176203.8A EP24176203A EP4395318A3 EP 4395318 A3 EP4395318 A3 EP 4395318A3 EP 24176203 A EP24176203 A EP 24176203A EP 4395318 A3 EP4395318 A3 EP 4395318A3
Authority
EP
European Patent Office
Prior art keywords
transform
deriving
sub
residual sample
image coding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP24176203.8A
Other languages
German (de)
English (en)
Other versions
EP4395318A2 (fr
EP4395318C0 (fr
EP4395318B1 (fr
Inventor
Moonmo Koo
Jaehyun Lim
Seunghwan Kim
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Priority to EP25181028.9A priority Critical patent/EP4589947A3/fr
Priority to RS20250756A priority patent/RS67060B1/sr
Priority to HRP20250935TT priority patent/HRP20250935T1/hr
Publication of EP4395318A2 publication Critical patent/EP4395318A2/fr
Publication of EP4395318A3 publication Critical patent/EP4395318A3/fr
Application granted granted Critical
Publication of EP4395318C0 publication Critical patent/EP4395318C0/fr
Publication of EP4395318B1 publication Critical patent/EP4395318B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/18—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a set of transform coefficients
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
EP24176203.8A 2019-09-21 2020-09-21 Dispositif de codage d'image basé sur une transformée Active EP4395318B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP25181028.9A EP4589947A3 (fr) 2019-09-21 2020-09-21 Procédé de codage d'image basé sur une transformée
RS20250756A RS67060B1 (sr) 2019-09-21 2020-09-21 Kodiranje slike na osnovu transformacije
HRP20250935TT HRP20250935T1 (hr) 2019-09-21 2020-09-21 Kodiranje slike utemeljene na transformaciji

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201962903823P 2019-09-21 2019-09-21
US201962904636P 2019-09-23 2019-09-23
PCT/KR2020/012707 WO2021054798A1 (fr) 2019-09-21 2020-09-21 Procédé et dispositif de codage d'image à base de transformée
EP20866694.1A EP4017008B1 (fr) 2019-09-21 2020-09-21 Codage d'image à base de transformée

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP20866694.1A Division EP4017008B1 (fr) 2019-09-21 2020-09-21 Codage d'image à base de transformée
EP20866694.1A Division-Into EP4017008B1 (fr) 2019-09-21 2020-09-21 Codage d'image à base de transformée

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP25181028.9A Division EP4589947A3 (fr) 2019-09-21 2020-09-21 Procédé de codage d'image basé sur une transformée
EP25181028.9A Division-Into EP4589947A3 (fr) 2019-09-21 2020-09-21 Procédé de codage d'image basé sur une transformée

Publications (4)

Publication Number Publication Date
EP4395318A2 EP4395318A2 (fr) 2024-07-03
EP4395318A3 true EP4395318A3 (fr) 2024-09-04
EP4395318C0 EP4395318C0 (fr) 2025-07-16
EP4395318B1 EP4395318B1 (fr) 2025-07-16

Family

ID=74884126

Family Applications (3)

Application Number Title Priority Date Filing Date
EP24176203.8A Active EP4395318B1 (fr) 2019-09-21 2020-09-21 Dispositif de codage d'image basé sur une transformée
EP20866694.1A Active EP4017008B1 (fr) 2019-09-21 2020-09-21 Codage d'image à base de transformée
EP25181028.9A Pending EP4589947A3 (fr) 2019-09-21 2020-09-21 Procédé de codage d'image basé sur une transformée

Family Applications After (2)

Application Number Title Priority Date Filing Date
EP20866694.1A Active EP4017008B1 (fr) 2019-09-21 2020-09-21 Codage d'image à base de transformée
EP25181028.9A Pending EP4589947A3 (fr) 2019-09-21 2020-09-21 Procédé de codage d'image basé sur une transformée

Country Status (14)

Country Link
US (2) US12262015B2 (fr)
EP (3) EP4395318B1 (fr)
KR (2) KR102864727B1 (fr)
CN (5) CN119484822A (fr)
CA (2) CA3258398A1 (fr)
ES (2) ES3038093T3 (fr)
FI (1) FI4017008T3 (fr)
HR (2) HRP20240943T1 (fr)
HU (2) HUE067613T2 (fr)
MX (5) MX2022003322A (fr)
PL (2) PL4395318T3 (fr)
RS (1) RS67060B1 (fr)
SI (1) SI4017008T1 (fr)
WO (1) WO2021054798A1 (fr)

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JP7446046B2 (ja) * 2020-03-27 2024-03-08 三星電子株式会社 映像の復号化方法及び装置
US11902531B2 (en) * 2021-04-12 2024-02-13 Qualcomm Incorporated Low frequency non-separable transform for video coding
CN119968849A (zh) * 2022-10-16 2025-05-09 Lg 电子株式会社 图像编码/解码方法和设备及其上存储比特流的记录介质
WO2024085565A1 (fr) * 2022-10-16 2024-04-25 엘지전자 주식회사 Procédé et dispositif de codage/décodage d'image, et support d'enregistrement sur lequel un flux binaire est stocké
WO2025073658A1 (fr) * 2023-10-02 2025-04-10 Interdigital Ce Patent Holdings, Sas Combinaison isp avec nspt

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Also Published As

Publication number Publication date
RS67060B1 (sr) 2025-08-29
PL4395318T3 (pl) 2025-11-17
MX2025009823A (es) 2025-09-02
CN114586353B (zh) 2025-01-14
KR20220047628A (ko) 2022-04-18
CN114586353A (zh) 2022-06-03
MX2025009829A (es) 2025-09-02
MX2022003322A (es) 2022-05-06
EP4589947A2 (fr) 2025-07-23
EP4395318A2 (fr) 2024-07-03
CA3155433A1 (fr) 2021-03-25
HUE072498T2 (hu) 2025-11-28
KR20250150656A (ko) 2025-10-20
KR102864727B1 (ko) 2025-09-25
MX2025009828A (es) 2025-09-02
HRP20240943T1 (hr) 2024-11-22
EP4017008A4 (fr) 2022-11-09
EP4017008A1 (fr) 2022-06-22
CA3155433C (fr) 2024-11-19
ES3038093T3 (en) 2025-10-09
ES2983826T3 (es) 2024-10-25
SI4017008T1 (sl) 2024-08-30
CN119484821A (zh) 2025-02-18
EP4395318C0 (fr) 2025-07-16
US12262015B2 (en) 2025-03-25
EP4395318B1 (fr) 2025-07-16
FI4017008T3 (fi) 2024-07-23
PL4017008T3 (pl) 2024-08-26
HRP20250935T1 (hr) 2025-09-26
US20220417518A1 (en) 2022-12-29
US20250184495A1 (en) 2025-06-05
WO2021054798A1 (fr) 2021-03-25
HUE067613T2 (hu) 2024-11-28
MX2025009824A (es) 2025-09-02
EP4589947A3 (fr) 2025-07-30
EP4017008B1 (fr) 2024-06-19
CN119496894A (zh) 2025-02-21
CN119484820A (zh) 2025-02-18
CA3258398A1 (fr) 2025-03-27
CN119484822A (zh) 2025-02-18

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